20 INNOVATIONS / IN-TANK MERIDIAN I n-Tank Meridian WC with integrated cistern and soft-close seat Interior tank One single concept to fulfil any need. The In-Tank Meridian is a versatile WC which has an integrated cistern. It is the first WC which does not require a concealed cistern, facilitating ease of installation and creating an ideal solution for small spaces. Water enters the tank and then air is introduced by a revolutionary blower which pushes the water through the toilet rim to flush the WC. In-Tank Meridian